Simple Machines
Science
Simple Machines starts at 3 and continues till grade 5.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Simple Machines.
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See sample questions for grade 4
A person uses a crowbar to lift a heavy rock. What simple machine is the crowbar acting as?
A ramp is used to move a heavy box into a truck. What type of simple machine is the ramp?
Describe how a wheel and axle works.
Explain how a pulley makes lifting a heavy object easier.
Explain why it is easier to push a heavy box up a ramp than to lift it straight up.
A person uses a crowbar to lift a heavy rock. What simple machine is the crowbar acting as?
A ramp is used to move a heavy box into a truck. What type of simple machine is the ramp?
What simple machine is used in a flagpole to raise and lower the flag?
A seesaw on a playground is an example of which simple machine? (1) Pulley (2) Lever (3) Screw (4) Wheel and axle
Which of the following is an example of a screw? (1) Light bulb (2) Hammer (3) Ruler (4) Eraser
Which of the following is an example of a wheel and axle? (1) Door knob (2) Hammer (3) Book (4) Pencil
Which of the following is an example of an inclined plane? (1) Stairs (2) Door knob (3) Pulley (4) Screwdriver
Fill in the blank: A ________ is a simple machine made of a wheel with a rope around it, used to lift things.
Fill in the blank: A ________ is a simple machine that has a round part that turns around a center, often used with an axle.
Fill in the blank: A ________ is a simple machine that helps you move objects up and down by turning a rope around a wheel.
Fill in the blank: A ________ is a simple machine that is a flat surface set at an angle to help move objects up or down.
True or False: A bicycle uses more than one simple machine.
True or False: A crowbar is a type of lever.
True or False: A doorstop is an example of a wedge.
True or False: A knife is an example of a wedge.
